A 25-year-old woman died in a one-vehicle crash Saturday on Gates of the Mountain Road north of Helena, according to the Montana Highway Patrol.

The vehicle was eastbound on Gates of the Mountain Road a mile east of Sperry Road, off of Interstate 15 between Helena and Wolf Creek.

The crash occurred at 11:57 a.m. when the driver, the sole occupant of the vehicle, failed to negotiate a right-hand curve, crossed the center line and went off the left side of the road, the Highway Patrol said.